updates socket.io client to 1.2.1
updates socket.io client to 1.2.1

yonglehou/SIOSocket,yonglehou/SIOSocket,emlynmu/SIOSocket,sujianping/SIOSocket,MegaBits/SIOSocket,MegaBits/SIOSocket,fjtrujy/SIOSocket,emlynmu/SIOSocket,sujianping/SIOSocket,imjerrybao/SIOSocket,imjerrybao/SIOSocket,fjtrujy/SIOSocket